Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _TOOLS_LINUX_MM_H
3#define _TOOLS_LINUX_MM_H
4
5#include <linux/align.h>
6#include <linux/mmzone.h>
7#include <linux/sizes.h>
8
9#define PAGE_SHIFT 12
10#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT)
11#define PAGE_MASK (~(PAGE_SIZE - 1))
12
13#define PHYS_ADDR_MAX (~(phys_addr_t)0)
14
15#define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE)
16#define PAGE_ALIGN_DOWN(addr) ALIGN_DOWN(addr, PAGE_SIZE)
17
18#define __va(x) ((void *)((unsigned long)(x)))
19#define __pa(x) ((unsigned long)(x))
20
21#define pfn_to_page(pfn) ((void *)((pfn) * PAGE_SIZE))
22
23#define phys_to_virt phys_to_virt
24static inline void *phys_to_virt(unsigned long address)
25{
26 return __va(address);
27}
28
29#define virt_to_phys virt_to_phys
30static inline phys_addr_t virt_to_phys(volatile void *address)
31{
32 return (phys_addr_t)address;
33}
34
35void reserve_bootmem_region(phys_addr_t start, phys_addr_t end, int nid);
36
37static inline void totalram_pages_inc(void)
38{
39}
40
41static inline void totalram_pages_add(long count)
42{
43}
44
45static inline int early_pfn_to_nid(unsigned long pfn)
46{
47 return 0;
48}
49
50#endif